Creatinine clearance

Alphabetical Test listing

Creatinine clearance-1054

  
Creatinine clearance
  
1054
  
82575.0
  
CRC
  
Urine, 24 hr AND Lithium heparin (Li hep) plasma
  
10mL aliquot of 24 hour urine collection and 1.0 mL Li heparin plasma
  
10mL aliquot of a 24 hour collection and 0.5 mL Li hep plasma
  

How to collect a 24 hr urine sample

Li Heparin plasma sample must be drawn within ± 24 hours of the urine collection.

  

Urine:

  1. Record patient's height & weight and total urine volume on the request form.
  2. Mix the sample well
  3. Aliquot 10mL into a Urine aliquot transport vial/tube - 10mL (AHL)
Plasma:
 
Lt green PST - spin
 
 
  
Urine aliquot transport vial/tube - 10mL (AHL) (preferred)
 
 
 
or
 
24 hour urine collection container
 
and
 
Lt green plasma separator (PST)
  
24 Hr Urine collection with 10g Boric Acid preservative
Serum
Sodium heparin (Na hep) plasma
EDTA plasma
  
Plasma/serum:
 
 
 
Dk green heparin (Li or Na), no gel
 
 
 
 
 
  

Urine:

  1. Record patient's height & weight and total urine volume on the request form.
  2. Mix the sample well
  3. Aliquot 10mL into a Urine aliquot transport vial/tube - 10mL (AHL)
Plasma/serum:
 
Gold SST - spin
 
Dk green/Lavender - spin and separate plasma to a False bottom plasma/serum transport vial/tube (AHL)
  

Plasma/serum:

False bottom plasma/serum transport vial/tube (AHL)

  
Refrigerated (preferred) - 6 days
Ambient - 2 days
Frozen - 6 months
  
  • Improper labels (unlabeled or mislabeled)
  • Hemolysis (some procedures)
  • Improper anticoagulant or ratio
  • Delay in transport
  • Improper storage temperature affecting results
  • Inappropriate timing of collection
  • Improper container
  • Leaking container resulting in compromised specimen
  • Quantity not sufficient (QNS)
  
AHL - Chemistry: C
  
Daily
  
1 day
  

Kinetic - Jaffe (Kinetic Alkaline Picrate)

  
Adult Female: 66 - 165 mL/min/1.73 SqM
Adult Male: 66 - 163 mL/min/1.73 SqM
  
82575
  
11/30/2001
  
08/27/2018
  
02/10/2020